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首页> 外文期刊>Parallel and Distributed Systems, IEEE Transactions on >Leveraging Identity-Based Cryptography for Node ID Assignment in Structured P2P Systems
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Leveraging Identity-Based Cryptography for Node ID Assignment in Structured P2P Systems

机译：利用结构化P2P系统中基于身份的密码学进行节点ID分配

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摘要

Structured peer-to-peer (P2P) systems have grown enormously because of their scalability, efficiency, and reliability. These systems assign a unique identifier to each user and object. However, current assignment schemes allow an adversary to carefully select user IDs and/or simultaneously obtain many pseudo-identitiesȁ4;ultimately leading to an ability to disrupt the P2P system in very targeted and dangerous ways. In this paper, we propose novel ID assignment protocols based on identity-based cryptography. This approach permits the acquisition of node IDs to be tightly regulated without many of the complexities and costs associated with traditional certificate solutions. We broadly consider the security requirements of ID assignment and present three protocols representing distinct threat and trust models. A detailed empirical study of the protocols is given. Our analysis shows that the cost of our identity-based protocols is nominal, and that the associated identity services can scale to millions of users using a limited number of servers.
机译：结构化对等（P2P）系统因其可伸缩性，效率和可靠性而得到了极大的发展。这些系统为每个用户和对象分配唯一的标识符。但是，当前的分配方案允许对手仔细选择用户ID和/或同时获得许多伪身份ȁ4；最终导致以非常有针对性和危险的方式破坏P2P系统的能力。在本文中，我们提出了基于基于身份的密码学的新型ID分配协议。这种方法允许对节点ID的获取进行严格的管理，而没有与传统证书解决方案相关的许多复杂性和成本。我们广泛考虑了ID分配的安全要求，并提出了三种代表不同威胁和信任模型的协议。对该协议进行了详细的实证研究。我们的分析表明，基于身份的协议的成本是微不足道的，并且使用有限数量的服务器，相关的身份服务可以扩展到数百万个用户。

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